How to factory reset a Galaxy phone

Last Update date : 2026-06-09

How to Factory Reset a Samsung Galaxy Phone

Learn how to factory reset your Samsung Galaxy phone to fix software issues, improve performance, or prepare for resale. Includes backup tips, auto-reset options, and device compatibility.
A factory reset can resolve persistent software issues, improve device performance, or securely erase personal data before selling or gifting your Samsung Galaxy phone. This guide covers standard and auto-reset methods, backup best practices, and compatibility across Galaxy S, Z, and A series devices.

1. Why Perform a Factory Reset on Your Samsung Galaxy Phone?

Factory resetting your Samsung Galaxy phone returns it to its original state, erasing all personal data, apps, settings, and accounts. Common reasons include:

- Fixing unresponsive screens, app crashes, or boot loops.

- Improving slow performance or battery drain caused by outdated software.

- Preparing the device for resale or transfer to another user.

- Resolving account lockouts or security issues.

2. Supported Samsung Galaxy Devices

Factory reset methods apply to most Samsung Galaxy devices, including:

- Galaxy S24, S25, S26 series

- Galaxy Z Fold and Z Flip series

- Galaxy A series (A15, A25, etc.)

3. How to Factory Reset Your Samsung Galaxy Phone

Follow these steps to perform a standard factory reset:

  1. Back up your data: Use Samsung Cloud, Google Drive, or a computer to save photos, messages, and app data.
  2. Open Settings and tap General management.
  3. Select Reset > Factory data reset.
  4. Tap DELETE ALL to confirm. Enter your PIN, pattern, or password if prompted.
  5. Wait for the reset process to complete. The device will restart automatically.

4. Additional Things to Check Before Resetting

Ensure these conditions are met to avoid complications:

- Your device has sufficient battery charge (at least 50%).

- You've signed out of Samsung accounts and third-party services.

- You've disabled Factory Reset Protection (FRP) if transferring ownership.

5. How to Enable Auto Factory Reset

Auto factory reset triggers a reset after multiple failed unlock attempts. To enable:

  1. Open Settings and go to Lock screen and AOD.
  2. Select Secure lock settings and unlock your device.
  3. Toggle on Auto factory reset.

6. When Updates May Not Be Available

Factory reset issues sometimes stem from outdated software. If your device doesn't show updates:

  1. Check for carrier restrictions or regional limitations.
  2. Ensure your device is connected to stable Wi-Fi.
  3. Verify sufficient storage space (minimum 500 MB free).

Related Samsung Support Topics

- How to back up data on Samsung Galaxy devices

- How to disable Factory Reset Protection

- How to use Samsung Cloud for backups

General management General management

Step 1. Launch the Settings app, and then tap General management.

Reset Reset

Step 2. Select Reset.

Factory data reset Factory data reset

Step 3. Select Factory data reset, and then review the information.

Reset Reset

Step 4. When you're ready, swipe to and tap Reset.

Delete all Delete all

Step 5. Tap the Delete all button to continue with the reset and delete all information stored on your phone.

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